Facilitate command line argument processing for Java tools with a simple helper class Many Java applications started from the command line take arguments to control their behavior.

Writing code to parse command line arguments is still necessary sometimes. When you need to examine command line arguments, see how and why you should use your open source Java toolkit and use ...

You'd either include the paths in your invocations of javac and java with the -cp command line switch, or if you're using a build tool or IDE, it'll have its own method of managing the classpath.

Some programs provide the ability to add arguments when executing it in order to change a particular behavior or modify how the program operates. As an example lets look at the command line ...

Exception in thread "main" java.lang.Exception: Need at least one command line argument!, Getting User Input Apart from using the command line-arguments of a program, there is an alternative way for ...